/*
 * Copyright 2007 Rob Nielsen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * 	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.googlecode.proxymatic.apps.data.handlers;

import com.googlecode.proxymatic.core.BuildtimeContext;
import com.googlecode.proxymatic.core.RuntimeContext;
import com.googlecode.proxymatic.core.handlers.method.ToStringMethodHandler;
import com.googlecode.proxymatic.core.util.StringUtil;

import java.lang.reflect.Method;
import java.util.Map;
import java.util.TreeSet;

public class DataToStringMethodHandler extends ToStringMethodHandler {
    public Object invoke(Method method, Object[] parameters, RuntimeContext context) throws Throwable {
        BuildtimeContext buildtimeContext = context.getBuildtimeContext();
        StringBuffer sb = new StringBuffer();
        sb.append(StringUtil.shortName(buildtimeContext.getTargetInterface()));
        sb.append('{');
        Map map = (Map) context.getImplementationObject(0);
        boolean first = true;
        for (Object key : new TreeSet(map.keySet())) {
            if (!first) {
                sb.append(", ");
            }
            sb.append(key).append("='").append(map.get(key)).append('\'');
            first = false;
        }
        sb.append('}');
        return sb.toString();
    }
}
